CN111389228B - Adjustable hollow fiber ultrafiltration system - Google Patents
Adjustable hollow fiber ultrafiltration system Download PDFInfo
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- CN111389228B CN111389228B CN202010362536.3A CN202010362536A CN111389228B CN 111389228 B CN111389228 B CN 111389228B CN 202010362536 A CN202010362536 A CN 202010362536A CN 111389228 B CN111389228 B CN 111389228B
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- hollow fiber
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- fiber membrane
- valve
- guide shaft
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- 239000012510 hollow fiber Substances 0.000 title claims abstract description 67
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 239000012528 membrane Substances 0.000 claims abstract description 50
- 238000010992 reflux Methods 0.000 claims abstract description 28
- 238000001802 infusion Methods 0.000 claims abstract description 26
- 230000001105 regulatory effect Effects 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000012360 testing method Methods 0.000 claims abstract description 6
- 230000001502 supplementing effect Effects 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000011020 pilot scale process Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 8
- 239000000523 sample Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000012488 sample solution Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000007853 buffer solution Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011016 integrity testing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/22—Controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/06—Specific process operations in the permeate stream
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/14—Pressure control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/16—Flow or flux control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/25—Recirculation, recycling or bypass, e.g. recirculation of concentrate into the feed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/02—Specific tightening or locking mechanisms
- B01D2313/025—Specific membrane holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/06—External membrane module supporting or fixing means
Abstract
The invention discloses an adjustable hollow fiber ultrafiltration system, which comprises an infusion pump, a hollow fiber membrane column and a controller, wherein three ports are arranged on the hollow fiber membrane column, namely a liquid inlet end, a liquid outlet end and a reflux end, the liquid inlet end of the hollow fiber membrane column is connected with a liquid outlet of the infusion pump through a pipeline, and a first pressure controller is arranged in the middle of the hollow fiber membrane column; the penetrating end of the hollow fiber membrane column is connected with a third pressure controller, a second flow controller and a detection device in sequence through pipelines and then connected with a collecting tank; the reflux end of the hollow fiber membrane column is sequentially connected with a second pressure controller, a first flow controller and an automatic pressure regulating valve through pipelines, and finally flows back to the circulating tank; the infusion pump, the first pressure controller, the second pressure controller, the third pressure controller, the first flow controller, the second flow controller and the automatic pressure regulating valve are respectively connected with the controllers, process method editing and parameter setting are carried out through software built in the controllers, the control of key process parameters including flow, transmembrane pressure and the like is carried out, the automatic control of the whole ultrafiltration process is realized, the ultrafiltration efficiency is greatly improved, and the method is suitable for pilot scale test and production scale.
Description
Technical Field
The invention relates to an adjustable hollow fiber ultrafiltration system, and belongs to the field of filtration systems. .
Background
Hollow fiber ultrafiltration is the most mature and advanced technology in ultrafiltration technology, micropores are distributed on the wall of the hollow fiber tube, the molecular weight of substances which can be trapped is relatively large, and the molecular weight of the trapped substances can reach thousands to hundreds of thousands; the ultrafiltration technology is a high-new technology widely used in the fields of water purification, solution separation and concentration, and extraction of useful substances from wastewater, and wastewater purification and reuse, and is characterized by simple use process, no need of heating, energy conservation, low-pressure operation and small occupied area of the device.
The prior hollow fiber ultrafiltration system can only use a hollow fiber membrane column with one specification, if the hollow fiber membrane column with other specifications and sizes is replaced, the original system structure can not be matched with the hollow fiber membrane column, and the original equipment is required to be rebuilt or a new equipment is required to be replaced to achieve the purpose of use, which can lead to higher reconstruction or replacement cost, and
the constant volume multiple ultrafiltration can not be performed, the sample recovery rate is low, and the ultrafiltration effect is poor.
Disclosure of Invention
In order to solve the technical problems, the invention provides an adjustable hollow fiber ultrafiltration system which has high sample recovery rate and good ultrafiltration effect and can be used for a plurality of hollow fiber membrane columns with various specifications.
In order to achieve the technical purpose, the invention is realized by the following technical scheme: the adjustable hollow ultrafiltration system comprises an infusion pump, a hollow fiber membrane column and a controller, wherein a liquid inlet of the infusion pump is connected with a circulating tank, three ports are arranged on the hollow fiber membrane column, namely a liquid inlet end, a liquid outlet end and a reflux end, the liquid inlet end of the hollow fiber membrane column is connected with a liquid outlet of the infusion pump through a pipeline, and a first pressure controller is arranged in the middle of the liquid inlet end of the hollow fiber membrane column; the penetrating end of the hollow fiber membrane column is connected with a third pressure controller and a detection device in sequence through a pipeline and then connected with a collecting tank; the reflux end of the hollow fiber membrane column is sequentially connected with a second pressure controller automatic pressure regulating valve through a pipeline, and finally flows back to the circulating tank; the system also comprises a liquid supplementing pump, a supporting structure 1, a liquid inlet valve, a vent valve, a reflux valve, a first flow controller and a second flow controller; the liquid inlet of the liquid supplementing pump is connected with the liquid supplementing tank, and the liquid outlet is connected with the circulating tank; the support structure is arranged on a cross beam of the system frame, the liquid inlet valve is arranged at the liquid inlet end of the hollow fiber membrane column, the outlet valve is arranged at the outlet end of the hollow fiber membrane column, and the reflux valve is arranged at the reflux end of the hollow fiber membrane column; the first flow controller is arranged behind the second pressure controller, and the second flow controller is arranged behind the three pressure controllers; the circulating tank, the infusion pump, the first pressure controller, the second pressure controller, the third pressure controller, the first flow controller, the second flow controller and the automatic pressure regulating valve are respectively connected with the controller.
The invention further improves that: the supporting structure is composed of a guide shaft, a guide shaft support and a movable support.
The invention further improves that: the guide shaft is fixed on a cross beam of the system frame, the guide shaft support is connected with the movable bracket, and the guide shaft support penetrates through the guide shaft to be connected with the guide shaft
The invention further improves that: the guide shaft support is fixed on a cross beam of the system frame, the guide shaft is connected with the movable support, and the guide shaft penetrates through the guide shaft support and is connected to the guide shaft support.
The invention further improves that: the reflux valve, the vent valve, the second pressure controller, the third pressure controller, the first flow controller, the second flow controller, the detection device and the automatic pressure regulating valve are connected to the movable support.
The invention further improves that: the detection device and the controller are respectively connected with the computer.
The invention further improves that: at least 1 hollow fiber membrane column.
The invention further improves that: and a concentrated solution collecting valve is arranged between the infusion pump and the first pressure controller.
The invention further improves that: an integrity test valve is arranged behind the first flow controller.
Compared with the prior art, the invention has the following advantages:
(1) Compared with the traditional plate type membrane package filtration, the invention adopts the hollow fiber membrane column, the selection range of the membrane area is wider, the single membrane column area can reach 12m < 2 >, the design of higher water flux, and the production efficiency is greatly improved;
(2) The adjustable hollow ultrafiltration system provided by the invention can change the number and the specification of the hollow fiber membrane columns under the condition of not changing or updating equipment according to the requirement, and has the advantages of simple operation, wide application range and good ultrafiltration effect;
(3) The adjustable hollow ultrafiltration system provided by the invention realizes constant-volume multiple washing filtration through the liquid supplementing pump, so that the process is more thoroughly carried out;
(4) The adjustable hollow fiber ultrafiltration system carries out process method editing and parameter setting through software arranged in the controller, and comprises the control of key process parameters such as flow, transmembrane pressure and the like, so that the automatic control of the whole ultrafiltration process is realized, the ultrafiltration efficiency is greatly improved, and the efficiency is improved by more than 1 time compared with the existing ultrafiltration mode;
(5) The adjustable hollow fiber ultrafiltration system adopts a compact design, so that the dead volume of the system is reduced as much as possible under the condition of considering the convenience of maintenance, and the minimum circulation volume can better meet the ultrafiltration process of samples with different scales.
Drawings
FIG. 1 is a schematic view of the structure of the present invention
FIG. 2 is a schematic view of the application of the support structure of the present invention
In the figure: 1. the system comprises a circulating tank, 2, an infusion pump, 3, a liquid supplementing pump, 4, a liquid supplementing tank, 5, a concentrated solution collecting valve, 6, a first pressure controller, 7, an inlet valve, 8, a hollow fiber membrane column, 9, a permeation valve, 10, a reflux valve, 11, a second pressure controller, 12, a first flow controller, 13, an integrity test valve, 14, an automatic pressure regulating valve, 15, a third pressure controller, 16, a second flow controller, 17, a detection device, 18, a collecting valve, 19, a collecting tank, 20, a controller, 21, a computer, 22, a supporting structure, 23, a system frame, 24, a cross beam, 25, a guide shaft, 26, a guide shaft support and 27.
Detailed Description
The above-described aspects are further described below in conjunction with specific embodiments.
An adjustable hollow fiber ultrafiltration system comprises a circulation tank 1, an infusion pump 2, a liquid supplementing pump 3, a liquid supplementing tank 4, a hollow fiber membrane column 8, a liquid inlet valve 7, a permeation valve 9, a reflux valve 10, a first pressure controller 6, a second pressure controller 11, a third pressure controller 15, an automatic pressure regulating valve 14, a controller 20, a computer 21, a detection device 17, a first flow controller 12, a second flow controller 16, a concentrated solution collecting valve 5, an integrity testing valve 13, a supporting structure 22, a guide shaft 25, a guide shaft support 26 and a movable support 27.
As shown in fig. 1, a circulation tank 1 is respectively connected with a liquid outlet of a liquid supplementing pump 3 and a liquid inlet of an infusion pump 2, and the liquid inlet of the liquid supplementing pump 3 is connected with a liquid supplementing tank 4; the hollow fiber membrane column 8 is provided with three ports, namely a liquid inlet end, a liquid outlet end and a reflux end, the liquid inlet valve 7 is arranged at the liquid inlet end, the reflux valve 10 is arranged at the reflux end, the liquid outlet valve 9 is arranged at the liquid outlet end, and the connection of a plurality of hollow fiber membrane columns 8 is realized by increasing the number of the liquid inlet valve 7, the liquid outlet valve 9 and the reflux valve 10; the liquid inlet end of the hollow fiber membrane column 8 is connected with the liquid outlet of the infusion pump 2 through a pipeline, a first pressure controller 6 is arranged in the middle of the hollow fiber membrane column, a concentrated solution collecting valve 5 is arranged between the first pressure controller 6 and the infusion pump 2, and when the repeated reflux ultrafiltration is finished, concentrated solution in the circulating tank 1 is collected through the infusion pump 2 and the concentrated solution collecting valve 5; the penetrating end of the hollow fiber membrane column 8 is sequentially connected with a third pressure controller 15, a second flow controller 16 and a detection device 17 through pipelines and then is connected with a collecting tank 19, and the reflux end of the hollow fiber membrane column 8 is sequentially connected with a second pressure controller 11, a first flow controller 12 and an automatic pressure regulating valve 14 through pipelines and finally flows back to the circulating tank 1; an integrity test valve 13 is arranged between the first flow controller 12 and the automatic pressure regulating valve 14, and when a certain damage exists in the connected plurality of hollow fiber membrane columns 8, the damage can be detected through the integrity test valve 13; the circulating tank 1, the infusion pump 2, the first pressure controller 6, the second pressure controller 11, the third pressure controller 15, the automatic pressure regulating valve 14, the first flow controller 12 and the second flow controller 16 are respectively connected with the controller 20, the detection device 17 and the controller 20 are respectively connected with the computer 19, the whole ultrafiltration process can be monitored in real time through the computer 19, the first flow controller 12 at the reflux end and the second flow controller 16 at the permeate end can achieve accurate flow rate control, and constant flow rate process control is achieved; and calculating a transmembrane pressure value according to pressure values corresponding to the first pressure controller 6 at the liquid inlet end, the second pressure controller 11 at the reflux end and the third pressure controller 15 at the penetrating end, and setting the opening of the automatic pressure regulating valve 14 to realize constant transmembrane pressure.
As shown in fig. 2, the support structure 22 is mounted on a beam 24 of the system frame 23, and the support structure 22 is composed of a guide shaft 25, a guide shaft support 26 and a moving bracket 27, and the following two connection modes are adopted: first, a guide shaft 25 is fixed on a cross beam 24 of a system frame 23, a guide shaft support 26 is connected with a movable support 23, and the guide shaft support 26 is connected to the guide shaft 25 through the guide shaft 25; second, a guide shaft support 26 is fixed to the cross beam 24 of the system frame 23, the guide shaft 25 is connected to the moving bracket 27, and the guide shaft 25 is connected to the guide shaft support 26 through the guide shaft support 26.
The specific application is as follows: the vent valve, the reflux valve, the second pressure controller 11, the third pressure controller 15, the first flow controller 12, the second flow controller 16, the detection device 17 and the automatic pressure regulating valve 14 are connected to the movable support 27 in a clamping mode, when hollow fiber membrane columns of different specifications need to be replaced, the height of the movable support is adjusted through the up-down sliding of the movable support, so that the positions of all parts on the movable support are changed, the movable support can be connected with the replaced hollow fiber membrane columns, and the movable support can be used for hollow fiber membrane columns of various specifications.
The method for carrying out constant volume multiple washing filtration on the sample under constant transmembrane pressure by using the adjustable hollow fiber ultrafiltration system comprises the following steps:
(1) Setting the circulation flow rate of the infusion pump 2 on a computer 21, opening the liquid inlet valve 7, the reflux valve 10, the vent valve 9 and the collecting valve 18, wherein the initial opening degree of the automatic pressure regulating valve 14 in the reflux pipeline is 100%, operating the system, and filling the hollow fiber membrane column 8 with the infusion pump 2 according to the fixed circulation flow rate and refluxing to the circulation tank 1;
(2) The flow rate of the infusion pump 2 is kept unchanged, the controller 20 transmits monitoring data of the first pressure controller 6, the second pressure controller 11 and the third pressure controller 15 to the computer 21 in real time, the monitoring data are displayed by a display screen, the current transmembrane pressure is calculated in real time, and the target transmembrane pressure is set according to a sample filtering process;
(3) After the setting of the target transmembrane pressure is finished, the circulation flow rate of the infusion pump 2 is kept unchanged, the opening degree of the automatic pressure regulating valve 14 is automatically regulated, the values of the first pressure controller 6, the second pressure controller 11 and the third pressure controller 15 are changed while the opening degree is reduced, the transmembrane pressure is gradually increased until the real-time transmembrane pressure reaches a set target value, and at the moment, the opening degree of the automatic pressure regulating valve 14 is kept constant;
(4) The controller 20 feeds back the numerical value of the weighing module of the circulating tank 1 to the interface of the computer 21 in real time, the washing and filtering volume and the washing and filtering multiple are set on the computer 21, and the system automatically starts the liquid supplementing pump 3;
(5) The buffer solution is continuously fed into the circulating tank 1 by the liquid feeding pump 3, one part of the sample solution in the circulating tank 1 flows back to the circulating tank 1 for circulating ultrafiltration again by opening a backflow valve 10 of the hollow fiber membrane column 8, the other part of the sample solution is collected by the collecting tank 19 by opening a permeation valve 9 and a collecting valve 18 of the hollow fiber membrane column 8, the liquid in the whole circulating tank 1 keeps constant weight, and the system monitors the washing filtration state by a detection device 17 at the permeation end;
(6) The volume of the liquid collected by the penetrating end gradually increases, and when the volume of the penetrating end reaches the set washing and filtering volume, the washing and filtering of the whole sample are finished, and the concentrated liquid in the circulating tank 1 is collected by opening the concentrated solution collecting valve 5.
The invention carries out process method editing and parameter setting by the software built in the controller 20, and comprises the control of flow, transmembrane pressure and other key process parameters, thereby realizing the automatic control of the whole ultrafiltration process, greatly improving the ultrafiltration efficiency and being suitable for pilot scale and production scale.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereto, and any modification made on the basis of the technical scheme according to the technical idea of the present invention falls within the protection scope of the present invention.
Claims (8)
1. The adjustable hollow fiber ultrafiltration system comprises an infusion pump, a hollow fiber membrane column and a controller, wherein a liquid inlet of the infusion pump is connected with a circulating tank, the circulating tank is provided with a weighing module, three ports which are respectively a liquid inlet end, a liquid outlet end and a reflux end are arranged on the hollow fiber membrane column, the liquid inlet end of the hollow fiber membrane column is connected with a liquid outlet of the infusion pump through a pipeline, and a first pressure controller is arranged in the middle of the liquid inlet end of the hollow fiber membrane column; the penetrating end of the hollow fiber membrane column is connected with a third pressure controller and a detection device in sequence through a pipeline and then connected with a collecting tank; the reflux end of the hollow fiber membrane column is sequentially connected with a second pressure controller and an automatic pressure regulating valve through pipelines, and finally flows back to the circulating tank; the method is characterized in that: the system also comprises a liquid supplementing pump, a supporting structure, a liquid inlet valve, a vent valve, a reflux valve, a first flow controller and a second flow controller; the liquid inlet of the liquid supplementing pump is connected with the liquid supplementing tank, and the liquid outlet is connected with the circulating tank; the support structure is arranged on a cross beam of the system frame, the liquid inlet valve is arranged at the liquid inlet end of the hollow fiber membrane column, the outlet valve is arranged at the outlet end of the hollow fiber membrane column, and the reflux valve is arranged at the reflux end of the hollow fiber membrane column; the first flow controller is arranged behind the second pressure controller, and the second flow controller is arranged behind the third pressure controller; the system comprises a circulating tank, an infusion pump, a first pressure controller, a second pressure controller, a third pressure controller, a first flow controller, a second flow controller and an automatic pressure regulating valve, wherein the circulating tank, the infusion pump, the first pressure controller, the second pressure controller, the first flow controller, the second flow controller and the automatic pressure regulating valve are respectively connected with the controllers, the detection device and the controllers are respectively connected with a computer, the controllers feed back the numerical value of a weighing module of the circulating tank to a computer interface in real time, the washing filtration volume and the washing filtration multiple are set on the computer, and the system automatically starts the fluid infusion pump.
2. An adjustable hollow fiber ultrafiltration system according to claim 1, wherein: the supporting structure is composed of a guide shaft, a guide shaft support and a movable support.
3. An adjustable hollow fiber ultrafiltration system according to claim 2, wherein: the guide shaft is fixed on a cross beam of the system frame, the guide shaft support is connected with the movable support, and the guide shaft support penetrates through the guide shaft to be connected to the guide shaft.
4. An adjustable hollow fiber ultrafiltration system according to claim 2, wherein: the guide shaft support is fixed on a cross beam of the system frame, the guide shaft is connected with the movable support, and the guide shaft penetrates through the guide shaft support and is connected to the guide shaft support.
5. An adjustable hollow fiber ultrafiltration system according to claim 2, wherein: the reflux valve, the vent valve, the second pressure controller, the third pressure controller, the first flow controller, the second flow controller, the detection device and the automatic pressure regulating valve are connected to the movable support.
6. An adjustable hollow fiber ultrafiltration system according to claim 1, wherein: at least 1 hollow fiber membrane column.
7. An adjustable hollow fiber ultrafiltration system according to claim 1, wherein: and a concentrated solution collecting valve is arranged between the infusion pump and the first pressure controller.
8. An adjustable hollow fiber ultrafiltration system according to claim 1, wherein: an integrity test valve is arranged behind the first flow controller.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010362536.3A CN111389228B (en) | 2020-04-30 | 2020-04-30 | Adjustable hollow fiber ultrafiltration system |
| NL2027490A NL2027490B1 (en) | 2020-04-30 | 2021-02-03 | Adjustable hollow fiber ultrafiltration system |
| DE102021106410.4A DE102021106410A1 (en) | 2020-04-30 | 2021-03-16 | Adjustable hollow fiber ultrafiltration system |
| BE20215229A BE1028316B1 (en) | 2020-04-30 | 2021-03-26 | Adjustable hollow fiber ultrafiltration system |
| CH000362/2021A CH717415B1 (en) | 2020-04-30 | 2021-04-08 | Adjustable hollow fiber ultrafiltration system. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010362536.3A CN111389228B (en) | 2020-04-30 | 2020-04-30 | Adjustable hollow fiber ultrafiltration system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111389228A CN111389228A (en) | 2020-07-10 |
| CN111389228B true CN111389228B (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010362536.3A Active CN111389228B (en) | 2020-04-30 | 2020-04-30 | Adjustable hollow fiber ultrafiltration system |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN111389228B (en) |
| BE (1) | BE1028316B1 (en) |
| CH (1) | CH717415B1 (en) |
| DE (1) | DE102021106410A1 (en) |
| NL (1) | NL2027490B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115328239A (en) * | 2022-07-29 | 2022-11-11 | 江苏汉邦科技股份有限公司 | Ultrafiltration equipment for laboratory and experimental method thereof |
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| CN1245249C (en) * | 2001-09-18 | 2006-03-15 | 天津膜天膜工程技术有限公司 | Hollow fiber membrane separator and its running process |
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- 2020-04-30 CN CN202010362536.3A patent/CN111389228B/en active Active
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2021
- 2021-02-03 NL NL2027490A patent/NL2027490B1/en active
- 2021-03-16 DE DE102021106410.4A patent/DE102021106410A1/en active Pending
- 2021-03-26 BE BE20215229A patent/BE1028316B1/en active IP Right Grant
- 2021-04-08 CH CH000362/2021A patent/CH717415B1/en unknown
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Also Published As
| Publication number | Publication date |
|---|---|
| BE1028316A1 (en) | 2021-12-13 |
| NL2027490B1 (en) | 2022-07-05 |
| CH717415A2 (en) | 2021-11-15 |
| NL2027490A (en) | 2021-11-09 |
| CH717415B1 (en) | 2023-12-15 |
| DE102021106410A1 (en) | 2021-11-04 |
| BE1028316B1 (en) | 2022-03-29 |
| CN111389228A (en) | 2020-07-10 |
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